Pet exercise enclosure



FIG. 1 is a perspective view of the pet exercise enclosure;

FIG. 2 is a top view of the pet exercise enclosure;

FIG. 3 is a front view of the pet exercise enclosure;

FIG. 4 is a left side view of the pet exercise enclosure;

FIG. 5 is a rear view of the pet exercise enclosure;

FIG. 6 is a right side view of the pet exercise enclosure; and,

FIG. 7 is a bottom view of the pet exercise enclosure. 

The ornamental design for a pet exercise enclosure, as shown. 